This tiny robotic caterpillar will never become a butterfly
The way worms, caterpillars and snails move fascinates robotics researchers. Their soft bodies are able to move through very complex environments using a variety of different types of movement. There's a whole field devoted to soft robotics, which mimic these movements.Until recently, most of these soft robots were pretty big - typically tens of centimetres...
I regard the brain as a computer which will stop working when its component fail. There is no heaven or afterlife for broken-down computers. That is a fairy story for people afraid of the dark